Scientists create a microchip that replicates the human brain

Consumes the same energy as biological neurons. A chip 100 times smaller than the diameter of a human hair is capable of replicating the activity of a biological brain with the same neurological voltage. Thirty years ago, researchers at the University of Massachusetts at Amherst discovered a proteobacteria called the Geobacter in the Potomac River that could produce nanowires of electrically conductive proteins.
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